html,body{
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    position: relative;
    text-align: center;
}
.container{
    position: relative;
    width: 100%;
    height: 100%;
    background-image: url("./bg.png");
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.down{
    padding: 20px;
}
.down img{
    width: 100%;
    height: 100%;
}
.logo{
    margin-top: 40px;
    width: 25%;
    height: auto;
}
.btn-down{
    width: 100%;
    height: 50%;
    position: absolute;
    bottom: 5%;
    background-image: url("./btn.png");
    background-repeat: no-repeat;
    background-size: 80% auto;
    background-position: center;
}
.ios,.andorra{
    position: absolute;
    width: 100%;
    height: 22%;

}
.ios{
    bottom: 40%;
}
.andorra{
    bottom:0px;
}